19400668

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 54

約数和(自身を含む): 41205528

約数和(自身を除く): 21804860

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 103, 124, 196, 206, 217, 412, 434, 721, 868, 961, 1442, 1519, 1922, 2884, 3038, 3193, 3844, 5047, 6076, 6386, 6727, 10094, 12772, 13454, 20188, 22351, 26908, 44702, 47089, 89404, 94178, 98983, 156457, 188356, 197966, 312914, 395932, 625828, 692881, 1385762, 2771524, 4850167, 9700334, 19400668]

約数ペア:

[(1, 19400668), (2, 9700334), (4, 4850167), (7, 2771524), (14, 1385762), (28, 692881), (31, 625828), (49, 395932), (62, 312914), (98, 197966), (103, 188356), (124, 156457), (196, 98983), (206, 94178), (217, 89404), (412, 47089), (434, 44702), (721, 26908), (868, 22351), (961, 20188), (1442, 13454), (1519, 12772), (1922, 10094), (2884, 6727), (3038, 6386), (3193, 6076), (3844, 5047)]